Newer
Older
Copyright (c) 2005, Till Brehm, projektfarm Gmbh
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of ISPConfig nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
class db extends mysqli
{
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
protected $dbHost = ''; // hostname of the MySQL server
private $dbName = ''; // logical database name on that server
private $dbUser = ''; // database authorized user
private $dbPass = ''; // user's password
private $dbCharset = 'utf8';// Database charset
private $dbNewLink = false; // Return a new linkID when connect is called again
private $dbClientFlags = 0; // MySQL Client falgs
private $linkId = 0; // last result of mysqli_connect()
private $queryId = 0; // last result of mysqli_query()
private $record = array(); // last record fetched
private $autoCommit = 1; // Autocommit Transactions
private $currentRow; // current row number
public $errorNumber = 0; // last error number
public $errorMessage = ''; // last error message
private $errorLocation = '';// last error location
public $show_error_messages = false; // false in server, true in interface
private $isConnected = false; // needed to know if we have a valid mysqli object from the constructor
// constructor
public function __construct($host = NULL , $user = NULL, $pass = NULL, $database = NULL) {
global $app, $conf;
$this->dbHost = $host ? $host : $conf['db_host'];
$this->dbName = $database ? $database : $conf['db_database'];
$this->dbUser = $user ? $user : $conf['db_user'];
$this->dbPass = $pass ? $pass : $conf['db_password'];
$this->dbCharset = $conf['db_charset'];
$this->dbNewLink = $conf['db_new_link'];
$this->dbClientFlags = $conf['db_client_flags'];
parent::__construct($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName);
$try = 0;
//while(!is_null($this->connect_error) && $try < 10) {
while(mysqli_connect_error() && $try < 10) {
if($try > 8) sleep(5);
elseif($try > 0) sleep(1);
$try++;
$this->updateError('DB::__construct');
parent::__construct($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName);
}
//if(is_null($this->connect_error)) $this->isConnected = true;
if(!mysqli_connect_error()) $this->isConnected = true;
$this->setCharacterEncoding();
}
public function __destruct() {
$this->close(); // helps avoid memory leaks, and persitent connections that don't go away.
}
/* This allows our private variables to be "read" out side of the class */
public function __get($var) {
return isset($this->$var) ? $this->$var : NULL;
}
// error handler
public function updateError($location) {
global $app;
/*
if(!is_null($this->connect_error)) {
$this->errorNumber = $this->connect_errno;
$this->errorMessage = $this->connect_error;
} else {
$this->errorNumber = $this->errno;
$this->errorMessage = $this->error;
}
if(mysqli_connect_error()) {
$this->errorNumber = $this->connect_errno;
$this->errorMessage = $this->connect_error;
} else {
$this->errorNumber = mysqli_errno($this);
$this->errorMessage = mysqli_error($this);
}
$this->errorLocation = $location;
if($this->errorNumber) {
$error_msg = $this->errorLocation .' '. $this->errorMessage;
// This right here will allow us to use the samefile for server & interface
if($this->show_error_messages) {
echo $error_msg;
} else if(is_object($app) && method_exists($app, 'log')) {
$app->log($error_msg, LOGLEVEL_WARN);
} else {
/* This could be called before $app is ever declared.. In that case we should just spit out to error_log() */
error_log($error_msg);
}
}
private function setCharacterEncoding() {
if($this->isConnected == false) return false;
parent::query( 'SET NAMES '.$this->dbCharset);
parent::query( "SET character_set_results = '".$this->dbCharset."', character_set_client = '".$this->dbCharset."', character_set_connection = '".$this->dbCharset."', character_set_database = '".$this->dbCharset."', character_set_server = '".$this->dbCharset."'");
public function query($queryString) {
global $app;
if($this->isConnected == false) return false;
$try = 0;
do {
$try++;
$ok = $this->ping();
if(!$ok) {
if(!$this->real_connect($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName)) {
$this->updateError('DB::query -> reconnect');
if($this->errorNumber == '111') {
// server is not available
if($try > 9) {
if(isset($app) && isset($app->forceErrorExit)) {
$app->forceErrorExit('Database connection failure!');
}
// if we reach this, the app object is missing or has no exit method, so we continue as normal
}
sleep(30); // additional seconds, please!
}
if($try > 9) {
return false;
} else {
sleep(($try > 7 ? 5 : 1));
}
} else {
$this->setCharacterEncoding();
$ok = true;
}
}
} while($ok == false);
$this->queryId = parent::query($queryString);
if(!$this->queryId) $this->updateError('DB::query('.$queryString.') -> mysqli_query');
if(!$this->queryId) {
return false;
}
$this->currentRow = 0;
return $this->queryId;
}
// returns all records in an array
public function queryAllRecords($queryString) {
if(!$this->query($queryString))
{
return false;
}
$ret = array();
while($line = $this->nextRecord())
{
$ret[] = $line;
}
return $ret;
}
tbrehm
committed
// returns one record in an array
public function queryOneRecord($queryString) {
if(!$this->query($queryString) || $this->numRows() == 0)
{
return false;
}
return $this->nextRecord();
}
// returns the next record in an array
public function nextRecord() {
$this->record = $this->queryId->fetch_assoc();
if(!$this->record || !is_array($this->record))
{
$this->updateError('DB::nextRecord()-> mysql_fetch_array');
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
return false;
}
$this->currentRow++;
return $this->record;
}
// returns number of rows returned by the last select query
public function numRows() {
return $this->queryId->num_rows;
}
public function affectedRows() {
return $this->queryId->affected_rows;
}
// returns mySQL insert id
public function insertID() {
return $this->insert_id;
}
// Check der variablen
// Really.. using quote should be phased out in favor of using bind_param's. Though, for legacy code..
// here's the equivalent
public function quote($formfield) {
return $this->escape_string($formfield);
}
// Check der variablen
public function unquote($formfield) {
return stripslashes($formfield);
}
public function toLower($record) {
if(is_array($record)) {
foreach($record as $key => $val) {
$key = strtolower($key);
$out[$key] = $val;
}
}
return $out;
}
public function diffrec($record_old, $record_new) {
$diffrec_full = array();
$diff_num = 0;
if(is_array($record_old) && count($record_old) > 0) {
foreach($record_old as $key => $val) {
// if(!isset($record_new[$key]) || $record_new[$key] != $val) {
if(@$record_new[$key] != $val) {
// Record has changed
$diffrec_full['old'][$key] = $val;
$diffrec_full['new'][$key] = @$record_new[$key];
$diff_num++;
} else {
$diffrec_full['old'][$key] = $val;
$diffrec_full['new'][$key] = $val;
}
}
} elseif(is_array($record_new)) {
foreach($record_new as $key => $val) {
if(isset($record_new[$key]) && @$record_old[$key] != $val) {
// Record has changed
$diffrec_full['new'][$key] = $val;
$diffrec_full['old'][$key] = @$record_old[$key];
$diff_num++;
} else {
$diffrec_full['new'][$key] = $val;
$diffrec_full['old'][$key] = $val;
}
}
}
return array('diff_num' => $diff_num, 'diff_rec' => $diffrec_full);
}
//** Function to fill the datalog with a full differential record.
public function datalogSave($db_table, $action, $primary_field, $primary_id, $record_old, $record_new, $force_update = false) {
global $app, $conf;
// Insert backticks only for incomplete table names.
if(stristr($db_table, '.')) {
$escape = '';
} else {
$escape = '`';
}
tbrehm
committed
if($force_update == true) {
//* We force a update even if no record has changed
$diffrec_full = array('new' => $record_new, 'old' => $record_old);
tbrehm
committed
$diff_num = count($record_new);
} else {
//* get the difference record between old and new record
$tmp = $this->diffrec($record_old, $record_new);
$diffrec_full = $tmp['diff_rec'];
$diff_num = $tmp['diff_num'];
unset($tmp);
}
// Insert the server_id, if the record has a server_id
$server_id = (isset($record_old['server_id']) && $record_old['server_id'] > 0)?$record_old['server_id']:0;
if(isset($record_new['server_id'])) $server_id = $record_new['server_id'];
if($diff_num > 0) {
$diffstr = $this->quote(serialize($diffrec_full));
if(isset($_SESSION)) {
$username = $this->quote($_SESSION['s']['user']['username']);
} else {
$username = 'admin';
}
$dbidx = $primary_field.':'.$primary_id;
if($action == 'INSERT') $action = 'i';
if($action == 'UPDATE') $action = 'u';
if($action == 'DELETE') $action = 'd';
$sql = "INSERT INTO sys_datalog (dbtable,dbidx,server_id,action,tstamp,user,data) VALUES ('".$db_table."','$dbidx','$server_id','$action','".time()."','$username','$diffstr')";
$this->query($sql);
//** Inserts a record and saves the changes into the datalog
public function datalogInsert($tablename, $insert_data, $index_field) {
global $app;
if(is_array($insert_data)) {
tbrehm
committed
$key_str = '';
$val_str = '';
foreach($insert_data as $key => $val) {
$key_str .= "`".$key ."`,";
$val_str .= "'".$this->quote($val)."',";
}
$key_str = substr($key_str, 0, -1);
$val_str = substr($val_str, 0, -1);
tbrehm
committed
$insert_data_str = '('.$key_str.') VALUES ('.$val_str.')';
} else {
$insert_data_str = $insert_data;
}
$old_rec = array();
$this->query("INSERT INTO $tablename $insert_data_str");
$index_value = $this->insertID();
$new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
$this->datalogSave($tablename, 'INSERT', $index_field, $index_value, $old_rec, $new_rec);
//** Updates a record and saves the changes into the datalog
public function datalogUpdate($tablename, $update_data, $index_field, $index_value, $force_update = false) {
tbrehm
committed
global $app;
$old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
if(is_array($update_data)) {
tbrehm
committed
$update_data_str = '';
foreach($update_data as $key => $val) {
$update_data_str .= "`".$key ."` = '".$this->quote($val)."',";
}
$update_data_str = substr($update_data_str, 0, -1);
tbrehm
committed
} else {
$update_data_str = $update_data;
}
$this->query("UPDATE $tablename SET $update_data_str WHERE $index_field = '$index_value'");
$new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
$this->datalogSave($tablename, 'UPDATE', $index_field, $index_value, $old_rec, $new_rec, $force_update);
//** Deletes a record and saves the changes into the datalog
public function datalogDelete($tablename, $index_field, $index_value) {
global $app;
$old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
$this->query("DELETE FROM $tablename WHERE $index_field = '$index_value'");
$new_rec = array();
$this->datalogSave($tablename, 'DELETE', $index_field, $index_value, $old_rec, $new_rec);
return true;
}
//** Deletes a record and saves the changes into the datalog
public function datalogError($errormsg) {
global $app;
if(isset($app->modules->current_datalog_id) && $app->modules->current_datalog_id > 0) $this->query("UPDATE sys_datalog set error = '".$this->quote($errormsg)."' WHERE datalog_id = ".$app->modules->current_datalog_id);
public function freeResult($query)
{
if(is_object($query) && (get_class($query) == "mysqli_result")) {
$query->free();
return true;
} else {
return false;
}
}
/* TODO: Does anything use this? */
public function delete() {
/* TODO: Does anything use this? */
public function Transaction($action) {
//action = begin, commit oder rollback
$columns = array(action => add | alter | drop
name => Spaltenname
name_new => neuer Spaltenname, nur bei 'alter' belegt
type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
typeValue => Wert z.B. bei Varchar
defaultValue => Default Wert
notNull => true | false
autoInc => true | false
option => unique | primary | index)
*/
public function createTable($table_name, $columns) {
$index = '';
$sql = "CREATE TABLE $table_name (";
foreach($columns as $col){
$sql .= $col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' ';
if($col['defaultValue'] != '') $sql .= "DEFAULT '".$col['defaultValue']."' ";
if($col['notNull'] == true) {
$sql .= 'NOT NULL ';
} else {
$sql .= 'NULL ';
}
if($col['autoInc'] == true) $sql .= 'auto_increment ';
$sql.= ',';
// key Definitionen
if($col['option'] == 'primary') $index .= 'PRIMARY KEY ('.$col['name'].'),';
if($col['option'] == 'index') $index .= 'INDEX ('.$col['name'].'),';
if($col['option'] == 'unique') $index .= 'UNIQUE ('.$col['name'].'),';
}
$sql .= $index;
$sql = substr($sql, 0, -1);
$sql .= ')';
$this->query($sql);
return true;
$columns = array(action => add | alter | drop
name => Spaltenname
name_new => neuer Spaltenname, nur bei 'alter' belegt
type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
typeValue => Wert z.B. bei Varchar
defaultValue => Default Wert
notNull => true | false
autoInc => true | false
option => unique | primary | index)
*/
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
public function alterTable($table_name, $columns) {
$index = '';
$sql = "ALTER TABLE $table_name ";
foreach($columns as $col){
if($col['action'] == 'add') {
$sql .= 'ADD '.$col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' ';
} elseif ($col['action'] == 'alter') {
$sql .= 'CHANGE '.$col['name'].' '.$col['name_new'].' '.$this->mapType($col['type'], $col['typeValue']).' ';
} elseif ($col['action'] == 'drop') {
$sql .= 'DROP '.$col['name'].' ';
}
if($col['action'] != 'drop') {
if($col['defaultValue'] != '') $sql .= "DEFAULT '".$col['defaultValue']."' ";
if($col['notNull'] == true) {
$sql .= 'NOT NULL ';
} else {
$sql .= 'NULL ';
}
if($col['autoInc'] == true) $sql .= 'auto_increment ';
$sql.= ',';
// Index definitions
if($col['option'] == 'primary') $index .= 'PRIMARY KEY ('.$col['name'].'),';
if($col['option'] == 'index') $index .= 'INDEX ('.$col['name'].'),';
if($col['option'] == 'unique') $index .= 'UNIQUE ('.$col['name'].'),';
}
}
$sql .= $index;
$sql = substr($sql, 0, -1);
jwarnier
committed
//die($sql);
$this->query($sql);
return true;
}
public function dropTable($table_name) {
$this->check($table_name);
$sql = "DROP TABLE '". $table_name."'";
return $this->query($sql);
}
// gibt Array mit Tabellennamen zur�ck
public function getTables($database_name = '') {
if($this->isConnected == false) return false;
if($database_name == '') $database_name = $this->dbName;
$result = parent::query("SHOW TABLES FROM $database_name");
for ($i = 0; $i < $result->num_rows; $i++) {
$tb_names[$i] = (($result->data_seek( $i) && (($___mysqli_tmp = $result->fetch_row()) !== NULL)) ? array_shift($___mysqli_tmp) : false);
}
return $tb_names;
}
// gibt Feldinformationen zur Tabelle zur�ck
/*
$columns = array(action => add | alter | drop
name => Spaltenname
name_new => neuer Spaltenname, nur bei 'alter' belegt
type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
typeValue => Wert z.B. bei Varchar
defaultValue => Default Wert
notNull => true | false
autoInc => true | false
option => unique | primary | index)
*/
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
function tableInfo($table_name) {
global $go_api, $go_info;
// Tabellenfelder einlesen
if($rows = $go_api->db->queryAllRecords('SHOW FIELDS FROM '.$table_name)){
foreach($rows as $row) {
$name = $row[0];
$default = $row[4];
$key = $row[3];
$extra = $row[5];
$isnull = $row[2];
$type = $row[1];
$column = array();
$column['name'] = $name;
//$column['type'] = $type;
$column['defaultValue'] = $default;
if(stristr($key, 'PRI')) $column['option'] = 'primary';
if(stristr($isnull, 'YES')) {
$column['notNull'] = false;
} else {
$column['notNull'] = true;
}
if($extra == 'auto_increment') $column['autoInc'] = true;
// Type in Metatype umsetzen
if(stristr($type, 'int(')) $metaType = 'int32';
if(stristr($type, 'bigint')) $metaType = 'int64';
if(stristr($type, 'char')) {
$metaType = 'char';
$tmp_typeValue = explode('(', $type);
$column['typeValue'] = substr($tmp_typeValue[1], 0, -1);
}
if(stristr($type, 'varchar')) {
$metaType = 'varchar';
$tmp_typeValue = explode('(', $type);
$column['typeValue'] = substr($tmp_typeValue[1], 0, -1);
}
if(stristr($type, 'text')) $metaType = 'text';
if(stristr($type, 'double')) $metaType = 'double';
if(stristr($type, 'blob')) $metaType = 'blob';
$column['type'] = $metaType;
$columns[] = $column;
}
return $columns;
} else {
return false;
}
//$this->createTable('tester',$columns);
$result = mysql_list_fields($go_info["server"]["db_name"],$table_name);
$fields = mysql_num_fields ($result);
$i = 0;
$table = mysql_field_table ($result, $i);
while ($i < $fields) {
$name = mysql_field_name ($result, $i);
$type = mysql_field_type ($result, $i);
$len = mysql_field_len ($result, $i);
$flags = mysql_field_flags ($result, $i);
print_r($flags);
$columns = array(name => $name,
type => "",
defaultValue => "",
isnull => 1,
option => "");
$returnvar[] = $columns;
$i++;
}
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
}
public function mapType($metaType, $typeValue) {
global $go_api;
$metaType = strtolower($metaType);
switch ($metaType) {
case 'int16':
return 'smallint';
break;
case 'int32':
return 'int';
break;
case 'int64':
return 'bigint';
break;
case 'double':
return 'double';
break;
case 'char':
return 'char';
break;
case 'varchar':
if($typeValue < 1) die('Database failure: Lenght required for these data types.');
return 'varchar('.$typeValue.')';
break;
case 'text':
return 'text';
break;
case 'blob':
return 'blob';
break;
}
}
}